208008797 has 2 divisors, whose sum is σ = 208008798. Its totient is φ = 208008796.

The previous prime is 208008781. The next prime is 208008847. The reversal of 208008797 is 797800802.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 169494361 + 38514436 = 13019^2 + 6206^2 .

It is a cyclic number.

It is not a de Polignac number, because 208008797 - 2⁴ = 208008781 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (208008767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 104004398 + 104004399.

It is an arithmetic number, because the mean of its divisors is an integer number (104004399).

Almost surely, 2^208008797 is an apocalyptic number.

It is an amenable number.

208008797 is a deficient number, since it is larger than the sum of its proper divisors (1).

208008797 is an equidigital number, since it uses as much as digits as its factorization.

208008797 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56448, while the sum is 41.

The square root of 208008797 is about 14422.5100797330. The cubic root of 208008797 is about 592.5075664733.

The spelling of 208008797 in words is "two hundred eight million, eight thousand, seven hundred ninety-seven".